Semicircular Cross Section, Rounded Ends Lead Bar

Semicircular Cross Section, Rounded Ends Lead Bar is valued for its density, malleability, and corrosion resistance, combined with a geometry that enhances handling and integration into specialized systems. The semicircular profile with rounded ends provides structural adaptability, ensuring stability in assemblies where traditional rectangular or cylindrical bars may not suffice. Industries such as energy storage, power systems, advanced manufacturing, and shielding technologies utilize these bars for both functional and protective purposes. Specific applications include feedstock in battery and pelletizing processes, radiation shielding elements in confined geometries, and components in cable or structural support frameworks. Their ability to be efficiently manufactured and processed with precision equipment makes them critical for high-throughput industrial applications. The tailored shape of Semicircular Cross Section, Rounded Ends Lead Bar underscores its significance in both research and industrial contexts, where optimized form factors contribute to enhanced performance, safety, and innovation.

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Tolerance

Properties

Reference & Citations

Serious health hazard

each

Tolerances

Bar

Side Length	=<10mm	±10%
Side Length	>10mm	±1mm
Side Length (Of Longer Side)	>10mm	±1mm
Side Length (Of Longer Side)	=<10mm	±10%
Length	<100mm	±1mm
Length	>=100mm	+5% / -1%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	82
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d¹⁰ 6s² 6p²
Valences shown	2, 4
Atomic weight( amu )	207.2
Thermal neutron absorption cross-section( Barns )	0.18
Photo-electric work function( eV )	4
Natural isotope distribution( Mass No./% )	207/ 22.1
Natural isotope distribution( Mass No./% )	208/ 52.4
Natural isotope distribution( Mass No./% )	206/ 24.1
Natural isotope distribution( Mass No./% )	204/ 1.4
Atomic radius - Goldschmidt( nm )	0.175
Ionisation potential( No./eV )	5/ 68.8
Ionisation potential( No./eV )	3/ 31.9
Ionisation potential( No./eV )	4/ 42.3
Ionisation potential( No./eV )	2/ 15.03
Ionisation potential( No./eV )	1/ 7.42

Mechanical Properties

Element	Value
Hardness - Mohs	1.5
Material condition	Polycrystalline
Material condition	Sand cast
Poisson's ratio	0.44
Poisson's ratio	0.44
Bulk modulus( GPa )	45.8
Bulk modulus( GPa )	45.8
Tensile modulus( GPa )	16.1
Tensile modulus( GPa )	16.1
Tensile strength( MPa )	12
Yield strength( MPa )	5.5

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	20.6@20@20°C
Superconductivity critical temperature( K )	7.196
Temperature coefficient( K⁻¹ )	0.0042@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.44

Physical Properties

Element	Value
Boiling point( C )	1740
Density( gcm⁻³ )	11.35@20

Thermal Properties

Element	Value
Melting point( C )	327.5
Latent heat of evaporation( J g⁻¹ )	862
Latent heat of fusion( J g⁻¹ )	23.2
Specific heat( J K⁻¹ kg⁻¹ )	159@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	35.3@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	29@0-100°C